Home / 32,940.78-49,404.60-11,880.24

Finding the Fourth Proportional to 32,940.78, 49,404.60 and 11,880.24

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Solution

The fourth proportional to 32,940.78, 49,404.60 and 11,880.24 is: 17,817.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,940.78 : 49,404.60 = 11,880.24 : x
  2. Step 2: Convert to fraction form
    32,940.78/49,404.60 = 11,880.24/x
  3. Step 3: Cross multiply
    32,940.78x = 49,404.60 × 11,880.24
  4. Step 4: Simplify right side
    32,940.78x = 586,938,505.10
  5. Step 5: Solve for x
    x = 586,938,505.10/32,940.78
  6. Step 6: Final answer
    x = 17,817.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.